Chemistry Iron is extracted from Cinnabar Dolomite Haematite Bauxite Cinnabar Dolomite Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays ? and ? rays X-rays ?-rays Positive rays ? and ? rays X-rays ?-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Sulphur dioxide Smoke Carbon monoxide Carbon dioxide Sulphur dioxide Smoke Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Cast-iron Water Aluminium Type metal Cast-iron Water Aluminium Type metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Fire-fighting clothes' are made from Talc Steatite Mica Asbestos Talc Steatite Mica Asbestos ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP